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发明公开
CN107111185A 降频转换膜元件 无效 - 撤回

降频转换膜元件
摘要：
本发明提供了一种包括量子点和荧光体的降频转换膜元件，其中(a)所述量子点发射峰值波长在615nm至660nm范围内且FWHM小于50nm的红光，所述荧光体发射峰值波长在515nm至555nm范围内且FWHM小于80nm的绿光并具有75％或更大的内部荧光量子产率，或者(b)所述量子点发射峰值波长在515nm至555nm范围内且FWHM小于40nm的绿光，所述荧光体发射峰值波长在615nm至645nm范围内且FWHM小于80nm的红光并具有75％或更大的内部荧光量子产率。
摘要（英）：

A downconversion film element comprises quantum dots and phosphor, wherein either (a) the quantum dots emit a peak red wavelength in a range from 615 to 660 nm and a FWHM of less than 50 nm, and the phosphor emits a peak green wavelength in a range from 515 to 555 nm and a FWHM of less than 80 nm and has an internal fluorescence quantum yield of 75% or greater or (b) the quantum dots emit a peak green wavelength in a range from 515 to 555 nm and a FWHM of less than 40 nm, and the phosphor emits a peak red wavelength in a range from 615 to 645 nm and a FWHM of less than 80 nm and has an internal fluorescence quantum yield of 75% or greater.

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